纳米氧化锆多层吸附的模拟及实验研究

doi:10.11896/cldb.20060076

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Abstract Abrasive particles CTAB-ZrO₂, SDS-ZrO₂, CTAB-SiO₂, SDS-SiO₂ were prepared by mechanical agitation, the principles of coating of abrasive nanoparticles were deeply studied. In this paper, the calculation formula for the adsorption amount for surfactant solution with any concentrations and the Langmuir2-SCA isothermal equation in multilayer adsorption were derived. Adsorption amount of surfactant at different adsorbent concentrations were obtained from the improved adsorption amount calculation formula, the applicability of the Langmuir2-SCA equation was examined with the adsorption amount for surfactant solution with high concentrations. In addition, the crystalline structures, light absorption pro-perties and morphologies of samples were analysed using XRD, FT-IR, FE-SEM measurement, and the properties of samples were analysed qualitatively and quantitatively. The results showed that the adsorption amount for surfactant solution with high concentrations can be fitted by Langmuir2-SCA isothermal equation; abrasive particles CTAB-ZrO₂ have more adsorption amount of surfactants than abrasive particles SDS-SiO₂, and less adsorption amount of water molecules; abrasive particles CTAB-ZrO₂ have better friction and wear performance, and the coated particles are spherical, the particles size distribution is more uniform, and the coating is dense. Therefore, it is better to choose abrasive particles CTAB-ZrO₂ in magnetic abrasive grinding.

Key words： adsorbent concentration effect isothermal equation multilayer adsorption magnetic abrasives grinding friction and wear perfor-mance

Published: 30 September 2021

CLC number:

O613.6

Fund:This work was financially supported by the National Natural Science Foundation of China (51165012).

About author:: Lianzhi Zhang, doctoral student, researching mainly on nontraditional machining on magnetic composite materials. As the first author, published 6 articles in important journals at home and abroad and applied for 3 invention patents.

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	ZHANG Lianzhi
	WU Zhangyongimg src='邮箱.TIF'/>
	WANG Tingyou
	ZHU Qichen
	CAI Xiaoming
	MO Ziyong

Cite this article:

ZHANG Lianzhi,WU Zhangyongimg src='邮箱.TIF'/>,WANG Tingyou, et al. Study on the Simulation and Experiment of Nano-Zirconium Oxide in Multilayer Adsorption[J]. Materials Reports, 2021, 35(18): 18040-18046.

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http://www.mater-rep.com/EN/10.11896/cldb.20060076 OR http://www.mater-rep.com/EN/Y2021/V35/I18/18040

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